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x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S 

* sysdeps/x86_64/multiarch/memcpy-ssse3-back.S
	(BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump
	to jump table.
	(MEMCPY): Likewise.
This commit is contained in:
H.J. Lu 2018-07-18 06:38:10 -07:00
parent 8817df4265
commit 811e9e52b2
2 changed files with 10 additions and 3 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2018-07-18 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86_64/multiarch/memcpy-ssse3-back.S
(BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump
to jump table.
(MEMCPY): Likewise.
2018-07-18 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86_64/multiarch/strcmp-sse42.S (STRCMP_SSE42): Add

6
sysdeps/x86_64/multiarch/memcpy-ssse3-back.S
View File

@ -39,7 +39,7 @@
lea TABLE(%rip), %r11; \
movslq (%r11, INDEX, SCALE), INDEX; \
lea (%r11, INDEX), INDEX; \
jmp *INDEX; \
_CET_NOTRACK jmp *INDEX; \
ud2
.section .text.ssse3,"ax",@progbits
@ -125,7 +125,7 @@ L(144bytesormore):
sub $0x80, %rdx
movslq (%r11, %r9, 4), %r9
add %r11, %r9
jmp *%r9
_CET_NOTRACK jmp *%r9
ud2
.p2align 4
@ -155,7 +155,7 @@ L(copy_backward):
sub $0x80, %rdx
movslq (%r11, %r9, 4), %r9
add %r11, %r9
jmp *%r9
_CET_NOTRACK jmp *%r9
ud2
.p2align 4